protected internal override void onDraw(android.graphics.Canvas canvas)
{
base.onDraw(canvas);
// Draw the switch
int switchLeft = mSwitchLeft;
int switchTop = mSwitchTop;
int switchRight = mSwitchRight;
int switchBottom = mSwitchBottom;
mTrackDrawable.setBounds(switchLeft, switchTop, switchRight, switchBottom);
mTrackDrawable.draw(canvas);
canvas.save();
mTrackDrawable.getPadding(mTempRect);
int switchInnerLeft = switchLeft + mTempRect.left;
int switchInnerTop = switchTop + mTempRect.top;
int switchInnerRight = switchRight - mTempRect.right;
int switchInnerBottom = switchBottom - mTempRect.bottom;
canvas.clipRect(switchInnerLeft, switchTop, switchInnerRight, switchBottom);
mThumbDrawable.getPadding(mTempRect);
int thumbPos = (int)(mThumbPosition + 0.5f);
int thumbLeft = switchInnerLeft - mTempRect.left + thumbPos;
int thumbRight = switchInnerLeft + thumbPos + mThumbWidth + mTempRect.right;
mThumbDrawable.setBounds(thumbLeft, switchTop, thumbRight, switchBottom);
mThumbDrawable.draw(canvas);
// mTextColors should not be null, but just in case
if (mTextColors != null)
{
mTextPaint.setColor(mTextColors.getColorForState(getDrawableState(), mTextColors.
getDefaultColor()));
}
mTextPaint.drawableState = getDrawableState();
android.text.Layout switchText = getTargetCheckedState() ? mOnLayout : mOffLayout;
canvas.translate((thumbLeft + thumbRight) / 2 - switchText.getWidth() / 2, (switchInnerTop
+ switchInnerBottom) / 2 - switchText.getHeight() / 2);
switchText.draw(canvas);
canvas.restore();
}
protected internal override void onMeasure(int widthMeasureSpec, int heightMeasureSpec
)
{
int widthMode = android.view.View.MeasureSpec.getMode(widthMeasureSpec);
int heightMode = android.view.View.MeasureSpec.getMode(heightMeasureSpec);
int widthSize = android.view.View.MeasureSpec.getSize(widthMeasureSpec);
int heightSize = android.view.View.MeasureSpec.getSize(heightMeasureSpec);
if (mOnLayout == null)
{
mOnLayout = makeLayout(mTextOn);
}
if (mOffLayout == null)
{
mOffLayout = makeLayout(mTextOff);
}
mTrackDrawable.getPadding(mTempRect);
int maxTextWidth = System.Math.Max(mOnLayout.getWidth(), mOffLayout.getWidth());
int switchWidth = System.Math.Max(mSwitchMinWidth, maxTextWidth * 2 + mThumbTextPadding
* 4 + mTempRect.left + mTempRect.right);
int switchHeight = mTrackDrawable.getIntrinsicHeight();
mThumbWidth = maxTextWidth + mThumbTextPadding * 2;
switch (widthMode)
{
case android.view.View.MeasureSpec.AT_MOST:
{
widthSize = System.Math.Min(widthSize, switchWidth);
break;
}
case android.view.View.MeasureSpec.UNSPECIFIED:
{
widthSize = switchWidth;
break;
}
case android.view.View.MeasureSpec.EXACTLY:
{
// Just use what we were given
break;
}
}
switch (heightMode)
{
case android.view.View.MeasureSpec.AT_MOST:
{
heightSize = System.Math.Min(heightSize, switchHeight);
break;
}
case android.view.View.MeasureSpec.UNSPECIFIED:
{
heightSize = switchHeight;
break;
}
case android.view.View.MeasureSpec.EXACTLY:
{
// Just use what we were given
break;
}
}
mSwitchWidth = switchWidth;
mSwitchHeight = switchHeight;
base.onMeasure(widthMeasureSpec, heightMeasureSpec);
int measuredHeight = getMeasuredHeight();
if (measuredHeight < switchHeight)
{
setMeasuredDimension(getMeasuredWidthAndState(), switchHeight);
}
}